forked from OSchip/llvm-project
69 lines
1.8 KiB
LLVM
69 lines
1.8 KiB
LLVM
; RUN: llc < %s -asm-verbose=false | FileCheck %s
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; Test that i1 extending loads and truncating stores are assembled properly.
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target datalayout = "e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; CHECK-LABEL: (func $load_u_i1_i32
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; CHECK: (setlocal @1 (load_u_i8_i32 @0))
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; CHECK-NEXT: (return @1)
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define i32 @load_u_i1_i32(i1* %p) {
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%v = load i1, i1* %p
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%e = zext i1 %v to i32
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ret i32 %e
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}
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; CHECK-LABEL: (func $load_s_i1_i32
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; CHECK: (setlocal @1 (load_u_i8_i32 @0))
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; CHECK-NEXT: (setlocal @2 (immediate 31))
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; CHECK-NEXT: (setlocal @3 (shl @1 @2))
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; CHECK-NEXT: (setlocal @4 (shr_s @3 @2))
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; CHECK-NEXT: (return @4)
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define i32 @load_s_i1_i32(i1* %p) {
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%v = load i1, i1* %p
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%e = sext i1 %v to i32
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ret i32 %e
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}
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; CHECK-LABEL: (func $load_u_i1_i64
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; CHECK: (setlocal @1 (load_u_i8_i64 @0))
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; CHECK-NEXT: (return @1)
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define i64 @load_u_i1_i64(i1* %p) {
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%v = load i1, i1* %p
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%e = zext i1 %v to i64
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ret i64 %e
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}
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; CHECK-LABEL: (func $load_s_i1_i64
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; CHECK: (setlocal @1 (load_u_i8_i64 @0))
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; CHECK-NEXT: (setlocal @2 (immediate 63))
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; CHECK-NEXT: (setlocal @3 (shl @1 @2))
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; CHECK-NEXT: (setlocal @4 (shr_s @3 @2))
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; CHECK-NEXT: (return @4)
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define i64 @load_s_i1_i64(i1* %p) {
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%v = load i1, i1* %p
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%e = sext i1 %v to i64
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ret i64 %e
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}
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; CHECK-LABEL: (func $store_i32_i1
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; CHECK: (setlocal @2 (immediate 1))
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; CHECK-NEXT: (setlocal @3 (and @1 @2))
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; CHECK-NEXT: (store_i8 @0 @3)
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define void @store_i32_i1(i1* %p, i32 %v) {
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%t = trunc i32 %v to i1
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store i1 %t, i1* %p
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ret void
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}
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; CHECK-LABEL: (func $store_i64_i1
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; CHECK: (setlocal @2 (immediate 1))
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; CHECK-NEXT: (setlocal @3 (and @1 @2))
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; CHECK-NEXT: (store_i8 @0 @3)
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define void @store_i64_i1(i1* %p, i64 %v) {
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%t = trunc i64 %v to i1
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store i1 %t, i1* %p
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ret void
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}
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